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Watercooling Leak, Help and Advice Needed.

post #1 of 11
Thread Starter 
So yea....

I went to clean my main rig today and was dismayed to find evidence of a slow leak. It must have developed sometime on the last two months because it wasn't there the last time I swapped parts out. There is blue-green residue over a large part of my sound card and some on my physX card. I had been getting some intermittent stability issues lately, I had chalked it up to a driver conflict, though it now seems like it may have been the sound card.

Needless to say, my baby is out of commission until the weekend. I think I have pinpointed the leak, one of the fittings on the CPU block, but I'm not taking any chances. I just finished ordering brand new tubing, and some new fittings and worm clamps. I'm going to retube the entire loop and change the fittings on the CPU block.


Anyway, I have digressed, my physX card isn't too expensive, so I'm not horribly upset if I can't revive it, but the home-theater HD is not a cheap card. I am really hoping that I can get it fixed up, but I'm not really sure the best way to do that. The water seems to have stayed on the back of the PCB, but there is a ton of residue everywhere. What is the best way to clean it? Isopropyl? Is there anything else I should do for the card to try to restore it?

Thanks for the help guys, I feel like this is my fault. I shouldn't have stuck with the same tubing for 14 months. From now on I'm swapping it out every 6-8.
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post #2 of 11
Has always been a fear of mine.

Isopropyl and 72 hours of laying out might help it.
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post #3 of 11
Quote:
Originally Posted by mastical View Post
Has always been a fear of mine.

Isopropyl and 72 hours of laying out might help it.
Same.

Lay it out nice and long....
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post #4 of 11
I've never really read anyone that changed out there tubing frequently, if at all, ever. That shouldn't be a concern.

Knowing the little I do about watercooling and generally anything that uses O-rings, sounds to me that one of the O-rings on one of your fittings might be shot. I'd pull your main components and do a leak test. Lightly put baby powder or something near your fittings to find which one is leaking.
post #5 of 11
all you can hope for is that the isopropyl cleans the residue, but make sure you're using a rag of sorts that wont leave residue, like a microfiber cloth or something. also, in terms of laying it out, give it an extra day just to be certain, I know that 72 hours is a safe bet but it sounds as if the water may have seeped its way into a few more possible nooks and crannies. better safe than sorry with your equipment
post #6 of 11
Yeah you shouldn't need to swap tubing out ever really.

What fittings were you using? Where exactly was the leak? Was it in between the tubing and the fitting or in between the fitting and CPU block? Do you have pics of your setup?
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post #7 of 11
Thread Starter 
Quote:
Originally Posted by MAD_J View Post
Yeah you shouldn't need to swap tubing out ever really.

What fittings were you using? Where exactly was the leak? Was it in between the tubing and the fitting or in between the fitting and CPU block? Do you have pics of your setup?
The leak appears to be coming from in between the tubing and the barb, not the block and the barb. I've drained the loop, but I haven't taken it apart yet (I'm going to Saturday, this week is pretty crazy) so I'll know more then. Thanks for the advice guys. + rep to all. I'll post back here this weekend when I'm doing the cleaning. I think I'll dust off my trusty t2i and document the process.

Edit: I think I know what caused the leak. I rebuilt my loop a few months ago and reused the tubing. I use compression fittings in some places, but they are too big to fit on the CPU block where I just use barbs and worm clamps. I think that when I fit the loop the first time, I may have over-zealously tightened the worm clamps. When I went to do the rebuild, the damage to the tubing on the ends caused a faulty seal with one of the barbs. That's my best guess anyway..... I'll be doing thorough leak testing before I run it all again. I also think I am going to tape a piece of tissue paper around the CPU block fittings so I can check for incremental leaking every day for a few weeks. Not taking any chances this time.
Edited by Varjo - 4/12/11 at 8:58pm
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post #8 of 11
What size tubing are you using and what size barbs? It could be to big. Im assuming you're using clamps on the tubing around the barbs?
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post #9 of 11
Make sure you use the correct fitting meaning G1/4" vs BSPP 1/4 in the right places. I had a similar failure because BSPP long in a G1/4 radiator. Also used all metal fittings this time. Nothing lost. Rebuilt with all new fittings in correct places and working great.

I have actually washed boards in an old dishwasher and dried them in the oven at 150 for about 30 minutes. Just make sure it's dry before power on.
post #10 of 11
Thread Starter 
Quote:
Originally Posted by MAD_J View Post
What size tubing are you using and what size barbs? It could be to big. Im assuming you're using clamps on the tubing around the barbs?
1/2 inch barbs with 7/16 ID tubing. And yea, worm clamps.

Quote:
Originally Posted by BeTheBeast View Post
Make sure you use the correct fitting meaning G1/4" vs BSPP 1/4 in the right places. I had a similar failure because BSPP long in a G1/4 radiator. Also used all metal fittings this time. Nothing lost. Rebuilt with all new fittings in correct places and working great.

I have actually washed boards in an old dishwasher and dried them in the oven at 150 for about 30 minutes. Just make sure it's dry before power on.
Interesting, I'll look into it.
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